401357021600 has 36 divisors (see below), whose sum is σ = 979812830934. Its totient is φ = 160542808320.

The previous prime is 401357021599. The next prime is 401357021621. The reversal of 401357021600 is 6120753104.

It can be written as a sum of positive squares in 3 ways, for example, as 387227420176 + 14129601424 = 622276^2 + 118868^2 .

It is a super-2 number, since 2×401357021600² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250847339 + ... + 250848938.

Almost surely, 2^401357021600 is an apocalyptic number.

401357021600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401357021600 is an abundant number, since it is smaller than the sum of its proper divisors (578455809334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401357021600 is a wasteful number, since it uses less digits than its factorization.

401357021600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501696297 (or 501696284 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 401357021600 its reverse (6120753104), we get a palindrome (407477774704).

The spelling of 401357021600 in words is "four hundred one billion, three hundred fifty-seven million, twenty-one thousand, six hundred".